Home / 74,942.39-112,408.96-25,018.31

Finding the Fourth Proportional to 74,942.39, 112,408.96 and 25,018.31

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Solution

The fourth proportional to 74,942.39, 112,408.96 and 25,018.31 is: 37,525.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,942.39 : 112,408.96 = 25,018.31 : x
  2. Step 2: Convert to fraction form
    74,942.39/112,408.96 = 25,018.31/x
  3. Step 3: Cross multiply
    74,942.39x = 112,408.96 × 25,018.31
  4. Step 4: Simplify right side
    74,942.39x = 2,812,282,426.53
  5. Step 5: Solve for x
    x = 2,812,282,426.53/74,942.39
  6. Step 6: Final answer
    x = 37,525.92

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.